Home / 9,577.44-13,216.56-5,386.08

Finding the Fourth Proportional to 9,577.44, 13,216.56 and 5,386.08

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Solution

The fourth proportional to 9,577.44, 13,216.56 and 5,386.08 is: 7,432.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,577.44 : 13,216.56 = 5,386.08 : x
  2. Step 2: Convert to fraction form
    9,577.44/13,216.56 = 5,386.08/x
  3. Step 3: Cross multiply
    9,577.44x = 13,216.56 × 5,386.08
  4. Step 4: Simplify right side
    9,577.44x = 71,185,449.48
  5. Step 5: Solve for x
    x = 71,185,449.48/9,577.44
  6. Step 6: Final answer
    x = 7,432.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.